// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/wm/core/wm_state.h"

#include "ui/events/platform/platform_event_source.h"
#include "ui/wm/core/transient_window_controller.h"
#include "ui/wm/core/transient_window_stacking_client.h"

namespace wm {

WMState::WMState()
    : window_stacking_client_(new TransientWindowStackingClient)
    , transient_window_client_(new TransientWindowController)
{
    aura::client::SetWindowStackingClient(window_stacking_client_.get());
    aura::client::SetTransientWindowClient(transient_window_client_.get());
}

WMState::~WMState()
{
    if (aura::client::GetWindowStackingClient() == window_stacking_client_.get())
        aura::client::SetWindowStackingClient(NULL);

    if (aura::client::GetTransientWindowClient() == transient_window_client_.get()) {
        aura::client::SetTransientWindowClient(NULL);
    }
}

} // namespace wm
